Unusual dinosaur trackway preservation as clues to paleo-landscape and behavior from the Lower Cretaceous Luohe Formation, Shaanxi Province, China

Alexander, 1976, Estimates of speeds of dinosaurs, Nature, 26, 129, 10.1038/261129a0 Belvedere, 2016, A numerical scale for quantifying the quality of preservation of vertebrate tracks, 92 Casamiqiela, 1964, 229 Currie, 2001, New information on cretaceous troodontids (Dinosauria, Theropoda) from the People’s Republic of China, Can. J. Earth Sci., 38, 1753, 10.1139/e01-065 Haubold, 1995, Lacertoid footprints from Permian dune sandstones. Cornberg and DeChelly Sandstones. New Mexico Mus. Nat. Hist. Sci, Bull., 6, 235 Haubold, 1995, Wolfcampian (early Permian) vertebrate tracks from Arizona and New Mexico, N. M. Mus. Nat. Hist. Sci. Bull., 6, 135 Ji, 2017, Recent progress in the study of the early cretaceous dinosaur fauna from the Ordos region, Inn. Mongolia Geol. China, 44, 196 Leonardi, 1987, 75 Li, 2008, Behavioral and faunal implications of early cretaceous deinonychosaur trackways from China, Naturwissenschaften, 95, 185, 10.1007/s00114-007-0310-7 Li, 2009, New Bird and Small Theropod Tracks from the lower cretaceous of Otog Qi, Inner Mongolia, P. R. China. 61, Mem. Beijing Museum Nat. History, 51 Li, 2011, 109 Lockley, 1991, 238 Lockley, 1995, 338 Lockley, 1994, Vertebrate tracks and the ichnofacies concept: Implications for paleoecology and palichnostratigraphy, 241 Lockley, 2002, The first sauropod trackways from China, Cretac. Res., 23, 363, 10.1006/cres.2002.1005 Lockley, 2007, Small Theropod Track Assemblages from Middle Jurassic eolianites of eastern Utah: paleoecological insights from dune facies in a transgressive sequence, Ichnos, 14, 132, 10.1080/10420940601010901 Lockley, 2011, A new avian ichnotaxon from the cretaceous of Nei Mongol, China. Cretac. Res., 34, 84, 10.1016/j.cretres.2011.10.006 Lockley, 2014, A survey of new fossil footprint sites from Glen Canyon National Recreation Area (Western USA), with special reference to the Kayenta-Navajo transition zone (Glen Canyon Group, Lower Jurassic), N. M. Mus. Nat. Hist. Sci. Bull., 62, 157 Lockley, 2014, Tracking early cretaceous Dinosaurs in China: a new database for comparison with ichnofaunal data from Korea, the Americas, Europe, Africa and Australia, Biol. J. Linn. Soc., 113, 770, 10.1111/bij.12308 Lockley, 2016, Two-toed tracks through time: On the trail of “raptors” and their allies, 182 Lockley, 2018, Large theropod and small sauropod trackmakers from the lower cretaceous Jingchuan Formation, Inner Mongolia, China, Cretac. Res., 92, 150, 10.1016/j.cretres.2018.07.007 Marchetti, 2019, Defining the morphological quality of fossil footprints. Problems and principles of preservation in tetrapod ichnology with examples from the Palaeozoic to the present, Earth-Sci. Rev., 193, 109, 10.1016/j.earscirev.2019.04.008 Marty, 2008, Sedimentology, taphonomy, and ichnology of Late Jurassic dinosaur tracks from the Jura carbonate platform (Chevenez–Combe Ronde tracksite, NW Switzerland): insights into the tidal-flat palaeoenvironment and dinosaur diversity, locomotion, and palaeoecology, 278 Olsen, 2003, The early Jurassic ornithischian dinosaurian ichnogenus Anomoepus, vol. 2, 314 Olsen, 1998, Type material of the type species of the classic theropod footprint genera Eubrontes, Anchisauripus, and Grallator (early Jurassic, Hartford and Deerfield Basins, Connecticut and Massachusetts, U.S.A.), J. Vertebr. Paleontol., 18, 586, 10.1080/02724634.1998.10011086 Ostrom, 1972, Were some dinosaurs gregarious?, Palaeogeogr. Palaeoclimatol. Palaeoecol., 11, 287, 10.1016/0031-0182(72)90049-1 Qi, 1993, Cretaceous desert facies of Zhidan Group in Ordos Basin, Sediment. Facies Palaeogeo., 14, 64 Rainforth, 1996, Tracking life in a lower Jurassic desert: vertebrate tracks and other traces from the Navajo Sandstone, 285 Rainforth, 1996, Tracks of diminutive dinosaurs and hopping mammals from the Jurassic of North and South America, 265 Russell, 1993, A nearly complete skeleton of a new troodontid dinosaur from the early cretaceous of the Ordos Basin, Inner Mongolia, People’s Republic of China, Can. J. Earth Sci., 30, 2163, 10.1139/e93-187 Russell, 1996, New psittacosaur occurrences in Inner Mongolia, Can. J. Earth Sci., 33, 637, 10.1139/e96-047 Tang, 2020, The sedimentary environment of early cretaceous dinosaur tracks in Longzhou Danxia Landform of Jingbian County, Shaanxi Province, Geol. Bull. China, 39, 425 Thulborn, 1990, 410 Xie, 2005, Sedimentary characteristics of the cretaceous desert facies in the Ordos Basin and their hydrogeological significance, Acta Sedimentol. Sin., 23, 73 Xing, 2014, The non–avian theropod track Jialingpus from the cretaceous of the Ordos Basin, China, with a revision of the type material: implications for ichnotaxonomy and trackmaker morphology, Palaeoworld, 23, 187, 10.1016/j.palwor.2013.12.001 Xing, 2014, Theropod and possible ornithopod track assemblages from the Jurassic–cretaceous boundary Houcheng Formation, Shangyi, northern Hebei, China, Palaeoworld, 23, 200, 10.1016/j.palwor.2013.10.002 Xing, 2016 Xing, 2018, Tetrapod track assemblages from lower cretaceous desert facies in the Ordos Basin, Shaanxi Province, China, and their implications for Mesozoic paleoecology, Palaeogeogr. Palaeoclimatol. Palaeoecol., 507, 1, 10.1016/j.palaeo.2018.05.016 Yao, 1999, Organic petrology study on the Yan’an formation coal measures in Ordos Basin, Acta Sedimentol. Sin., 17, 291